add playlist description field to ui

ui/assets/index.html

@@ -140,6 +140,7 @@
        <thead>
          <tr>
            <th scope="col">#</th>
+           <th scope="col">Description</th>
            <th scope="col">Length</th>
            <th scope="col">Created</th>
            <th scope="col">Action</th>
@@ -151,6 +152,7 @@
      <table class="playlistTemplate">
        <tr>
          <td class="playlistId" scope="row"></td>
+         <td class="playlistDescription"></td>
          <td class="playlistLength"></td>
          <td class="playlistCreated"></td>
          <td>

ui/assets/js/main.js

@@ -516,6 +516,7 @@ main.File.prototype.upload_simple = function(file) {
 main.Playlist = function(show, inst) {
   this.$show = show;
   this.id = inst.id;
+  this.description = inst.description;
   this.created = new Date(inst.created);
   this.updated = new Date(inst.updated);
   this.entries = inst.entries;
@@ -791,6 +792,7 @@ main.PlaylistView = function(model) {
 
 main.PlaylistView.prototype.render = function() {
   this.$el.find('.playlistId').text(this.model.id)
+  this.$el.find('.playlistDescription').text(this.model.description)
   this.$el.find('.playlistLength').text(this.model.entries.length)
   this.$el.find('.playlistCreated').text(format_datetime(this.model.created))